English verb conjugation
MUST FLAT

Regular verb: flat - flated - flated

Affirmation

Simple form	V-ing form
I must flat you must flat he must flat we must flat you must flat they must flat	I must be flating you must be flating he must be flating we must be flating you must be flating they must be flating
Perfect	V-ing perfect
I must have flated you must have flated he must have flated we must have flated you must have flated they must have flated	I must have been flating you must have been flating he must have been flating we must have been flating you must have been flating they must have been flating

Negation

Simple form	V-ing form
I must not flat you must not flat he must not flat we must not flat you must not flat they must not flat	I must not be flating you must not be flating he must not be flating we must not be flating you must not be flating they must not be flating
Perfect	V-ing perfect
I must not have flated you must not have flated he must not have flated we must not have flated you must not have flated they must not have flated	I must not have been flating you must not have been flating he must not have been flating we must not have been flating you must not have been flating they must not have been flating

Interrogative form

Simple form	V-ing form
must I flat? must you flat? must he flat? must we flat? must you flat? must they flat?	must I be flating? must you be flating? must he be flating? must we be flating? must you be flating? must they be flating?
Perfect	V-ing perfect
must I have flated? must you have flated? must he have flated? must we have flated? must you have flated? must they have flated?	must I have been flating? must you have been flating? must he have been flating? must we have been flating? must you have been flating? must they have been flating?

Interro-negative form

Simple form	V-ing form
must I not flat? must you not flat? must he not flat? must we not flat? must you not flat? must they not flat?	must I not be flating? must you not be flating? must he not be flating? must we not be flating? must you not be flating? must they not be flating?
Perfect	V-ing perfect
must I not have flated? must you not have flated? must he not have flated? must we not have flated? must you not have flated? must they not have flated?	must I not have been flating? must you not have been flating? must he not have been flating? must we not have been flating? must you not have been flating? must they not have been flating?